Knurled Insert Nuts, M4x5x5mm Female Thread Knurled Brass Threaded Insert Metric

Thread Size: M4; Thread pitch: 0.7mm / 0.03 "; Height: 5mm / 0.20 "; Outer Diameter: 5mm / 0.20 " These female thread brass knurled threaded insert embedment nuts are made of durable brass. High strength without deformation, abrasion, and corrosion resistance and with beautiful and practical. Deep thread, neat and clean, not easy to strip during rotation, stable and reliable. Convenient operation, and good texture, greatly improve your work efficiency. These heat-set inserts can be widely used on injection molding for tightly fixing. Can be installed by ultrasonic or heat into a thread-tapered hole, or molded in during injection. Also, apply to circuit board assembly and in the field of electronics. The plastic is formed around the brass insert. It would be better to put something in the threads to keep plastic from melting into the center. Using a normal soldering iron, you could easily set them into 61D printed holes. 250 pieces CR43L10P1